Halodromus, Muster, 2009

Muster, Christoph, 2009, The Ebo-like running crab spiders in the Old World (Araneae, Philodromidae), ZooKeys 16 (16), pp. 47-73 : 57-58

Key to the Halodromus species

1 Males ......................................................................................................... 2

– Females...................................................................................................... 6

2 Patellar apophysis longer than tibia of male palp, PTA laminate, projecting beyond retrolateral margin of tibia ( Figs 33-34 )..................... H. patellidens

– Patellar apophysis not longer than ¾ the length of tibia of male palp, PTA hooked, not projecting beyond retrolateral margin of tibia (e.g. Fig. 17 ).... 3

3 Embolus with distinct prolateral bulge at basis of distal embolus ( Figs 21 , 25 , 29 ), RTA a wide, rounded projection......................................................... 4

– Embolus without distinct prolateral bulge at basis of distal embolus, RTA reduced to a small hump ( Figs 17-18 )............................. H. barbarae sp. n.

4 Distal embolus stout, curved to retrolateral side, PTA narrow ( Figs 1 , 29-30 ) ................................................................................................ H. patellaris

– Distal embolus a thin spur, PTA large ( Figs 21 , 25 ) ................................... 5

5 Patellar apophysis with distinct bulge at base of ventral margin ( Figs 21-22 ) ....................................................................................... H. deltshevi sp. n.

– Patellar apophysis at ventral margin only with inconspicuous groove ( Figs 25-26 ) ............................................................................ H. gershomi sp. n.

6 Median septum with parallel margins ( Figs 19 , 31 ).................................... 7

– Median septum triangular ( Figs 23 , 27 , 35 ) ............................................... 8

7 Epigyne longer than wide, glandular heads in lateral-distal position at receptacula ( Figs 19-20 ) .......................................................... H. barbarae sp. n.

– Epigyne wider than long, glandular heads in mid-distal position at receptacula ( Figs 31-32 ) ................................................................... H. patellaris

8 Epigyne without grooves, anterior guide pockets covered by receptacula in dorsal view ( Figs 35-36 )......................................................... H. patellidens

– Epigyne with extended grooves, anterior guide pockets visible in dorsal view ( Figs 23 , 27 ) .............................................................................................. 9

9 Epigyne longer than wide, epigynal sutures sigmoid ( Fig. 23 ) ...................... ....................................................................................... H. deltshevi sp. n.

– Epigyne wider than long, epigynal sutures straight ( Fig. 27 ) ...................... ....................................................................................... H. gershomi sp. n.

Figures

Figures 33-36. Halodromus patellidens from Aden. 33-34 Left male palp (33 ventral, 34 retrolateral) 35 Epigyne, ventral 36 Vulva, dorsal. Scale line = 0.1 mm.

Figures 17-20. Halodromus barbarae sp. n. from Cartagena. 17-18 Left male palp (17 ventral, 18 retrolateral) 19 Epigyne, ventral 20 Vulva, dorsal. Scale line = 0.1 mm.

Figures 21-24. Halodromus deltshevi sp. n. from Aden. 21-22 Left male palp (21 ventral, 22 retrolate- ral) 23 Epigyne, ventral 24 Vulva, dorsal. Scale line = 0.1 mm.

Figures 25-28. Halodromus gershomi sp. n. from Aden. 25-26 Left male palp (25 ventral, 26 retrolateral) 27 Epigyne, ventral 28 Vulva, dorsal. Scale line = 0.1 mm.

Figures 29-32. Halodromus patellaris from Monastir. 29-30 Left male palp (29 ventral, 30 retrolateral) 31 Epigyne, ventral 32 Vulva, dorsal. Scale line = 0.1 mm.

Figures 1-6. 1, 4 Halodromus patellaris from Monastir 2 Ebo pepinensis from Utah Lake 3 Titanebo albocaudatus from Abilene 5-6 Titanebo andreaannae from Tucson 1-3 Left male palp, ventral view 4 Tarsal claws and scopulae 5 Epigyne, dorsal view, showing schematic course of the internal ducts (broken black line) and the demarcation between bursa copulatrix and copulatory ducts (white line) 6 Details of receptacula, showing numerous pores in the torus region.